B57 Women Men Smart watches Waterproof Sport For IOS Android phone Smartwatch Heart Rate Monitor Blood Pressure Functions pk IWO

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B57 Women Men Smart watches Waterproof Sport For IOS Android phone Smartwatch Heart Rate Monitor Blood Pressure Functions pk IWO

Descriptions: 1. Product model: B57 smart bracelet 2. Chip: NRF52832 3. Bluetooth: BT4.0 4. Compatible system: Android 4.4 and above, IOS 9.0 or above 5. Waterproof rating: IP67 6. Screen: 1.3 inch IPS color Resolution: 240*240 7. Touch: Single touch 8. Battery: 180 mAh 9. Charging: Magnetic charging 10. Charging time: about 1.5H 11. Standby: 25 days or so Working time: 7 days or so 12. Bracelet material: PC case + plastic case 13. Product size: about 48.9*34.5*11.7mm/1.92*1.35*0.46in 14. Net weight of the product: about 25.7g 15. APP support languages: Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean ‘;